43221542311 has 2 divisors, whose sum is σ = 43221542312. Its totient is φ = 43221542310.

The previous prime is 43221542297. The next prime is 43221542317. The reversal of 43221542311 is 11324512234.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43221542311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43221542311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43221542317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21610771155 + 21610771156.

It is an arithmetic number, because the mean of its divisors is an integer number (21610771156).

Almost surely, 2^43221542311 is an apocalyptic number.

43221542311 is a deficient number, since it is larger than the sum of its proper divisors (1).

43221542311 is an equidigital number, since it uses as much as digits as its factorization.

43221542311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 28.

The spelling of 43221542311 in words is "forty-three billion, two hundred twenty-one million, five hundred forty-two thousand, three hundred eleven".